FR2473826B1 - - Google Patents
Info
- Publication number
- FR2473826B1 FR2473826B1 FR8100285A FR8100285A FR2473826B1 FR 2473826 B1 FR2473826 B1 FR 2473826B1 FR 8100285 A FR8100285 A FR 8100285A FR 8100285 A FR8100285 A FR 8100285A FR 2473826 B1 FR2473826 B1 FR 2473826B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/697—Arrangements for reducing noise and distortion
- H04B10/6972—Arrangements for reducing noise and distortion using passive filtering
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/110,873 US4543664A (en) | 1980-01-10 | 1980-01-10 | Direct current coupled data transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2473826A1 FR2473826A1 (fr) | 1981-07-17 |
| FR2473826B1 true FR2473826B1 (OSRAM) | 1984-11-30 |
Family
ID=22335373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8100285A Granted FR2473826A1 (fr) | 1980-01-10 | 1981-01-09 | Systeme et procede de transmission de donnees avec couplage en courant continu |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4543664A (OSRAM) |
| JP (1) | JPS56104562A (OSRAM) |
| CH (1) | CH652880A5 (OSRAM) |
| DE (1) | DE3048978A1 (OSRAM) |
| FR (1) | FR2473826A1 (OSRAM) |
| GB (1) | GB2068689B (OSRAM) |
| IT (1) | IT1194730B (OSRAM) |
| NL (1) | NL8006952A (OSRAM) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3374107D1 (en) * | 1982-07-09 | 1987-11-19 | Motorola Inc | Infra-red receiver front end |
| GB2140643B (en) * | 1983-05-19 | 1986-09-24 | Standard Telephones Cables Ltd | Optical fibre system |
| JPS6080347A (ja) * | 1983-10-07 | 1985-05-08 | Fujitsu Ltd | デ−タ受信回路 |
| JPS62103268A (ja) * | 1985-10-30 | 1987-05-13 | Yamaha Motor Co Ltd | 四輪立乗りゴルフカ−ト |
| DE3938097A1 (de) * | 1989-11-16 | 1991-05-23 | Standard Elektrik Lorenz Ag | Optischer empfaenger |
| US5369520A (en) * | 1992-05-22 | 1994-11-29 | At&T Corp. | Optical regeneration circuit |
| US5309267A (en) * | 1992-09-25 | 1994-05-03 | At&T Bell Laboratories | Optical communication system using a Sagnac switch |
| US5565672A (en) * | 1994-12-30 | 1996-10-15 | Lucent Technologies Inc. | Optical transimpedance receiver with compensation network |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3729633A (en) * | 1970-11-24 | 1973-04-24 | Ibm | Optical receiver having a maximized signal-to-noise ratio |
| AU472567B2 (en) * | 1972-01-20 | 1976-05-27 | National Aeronautics And Space Administration | Improved narrowband fm system for voice communications |
| JPS5716557B2 (OSRAM) * | 1972-12-13 | 1982-04-06 | ||
| DE2301945C2 (de) * | 1973-01-16 | 1982-04-08 | Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg | Empfänger für impulsförmige Lichtsignale |
| US4054794A (en) * | 1975-03-12 | 1977-10-18 | Varo, Inc. | Optical communications link |
| US3985970A (en) * | 1975-04-11 | 1976-10-12 | Societe Lignes Telegraphiques Et Telephoniques | Regeneration of signalling pulses |
| US4019048A (en) * | 1976-03-22 | 1977-04-19 | Bell Telephone Laboratories, Incorporated | Regenerator for an optical transmission system |
| GB1590826A (en) * | 1976-09-21 | 1981-06-10 | Post Office | Level stabilisers |
| JPS5339832A (en) * | 1976-09-24 | 1978-04-12 | Matsushita Electric Ind Co Ltd | Binary circuit |
| US4091734A (en) * | 1977-02-22 | 1978-05-30 | The United States Of America As Represented By The Secretary Of The Navy | Aircraft to weapon fuze communication link |
-
1980
- 1980-01-10 US US06/110,873 patent/US4543664A/en not_active Expired - Lifetime
- 1980-12-16 GB GB8040168A patent/GB2068689B/en not_active Expired
- 1980-12-19 JP JP17914780A patent/JPS56104562A/ja active Pending
- 1980-12-22 NL NL8006952A patent/NL8006952A/nl not_active Application Discontinuation
- 1980-12-24 DE DE19803048978 patent/DE3048978A1/de not_active Withdrawn
-
1981
- 1981-01-09 FR FR8100285A patent/FR2473826A1/fr active Granted
- 1981-01-09 IT IT19060/81A patent/IT1194730B/it active
- 1981-01-12 CH CH155/81A patent/CH652880A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4543664A (en) | 1985-09-24 |
| CH652880A5 (de) | 1985-11-29 |
| GB2068689B (en) | 1984-07-11 |
| IT8119060A0 (it) | 1981-01-09 |
| GB2068689A (en) | 1981-08-12 |
| FR2473826A1 (fr) | 1981-07-17 |
| IT1194730B (it) | 1988-09-28 |
| JPS56104562A (en) | 1981-08-20 |
| DE3048978A1 (de) | 1981-09-17 |
| NL8006952A (nl) | 1981-08-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |